Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: the act of testing something
"in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial";
Categories: attempt, effort, endeavor, endeavour, try
Within this category: assay, audition, clinical trial, double blind, field trial, fitting, MOT, pilot project, preclinical trial, Snellen test